From 8ac3993a8d87a980dcc4bdc4aec113c24b7648ba Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 15 Jul 2013 12:36:00 +0000 Subject: [PATCH] mac80211: fix a crash in legacy minstrel when no STA exists Signed-off-by: Felix Fietkau Backport of r37342 SVN-Revision: 37343 --- .../mac80211/patches/300-pending_work.patch | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index b35f5c6036..c5a61bb7d5 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -779,3 +779,22 @@ } static int cfg80211_sme_connect(struct wireless_dev *wdev, +--- a/net/mac80211/rc80211_minstrel.c ++++ b/net/mac80211/rc80211_minstrel.c +@@ -290,7 +290,7 @@ minstrel_get_rate(void *priv, struct iee + struct minstrel_rate *msr, *mr; + unsigned int ndx; + bool mrr_capable; +- bool prev_sample = mi->prev_sample; ++ bool prev_sample; + int delta; + int sampling_ratio; + +@@ -314,6 +314,7 @@ minstrel_get_rate(void *priv, struct iee + (mi->sample_count + mi->sample_deferred / 2); + + /* delta < 0: no sampling required */ ++ prev_sample = mi->prev_sample; + mi->prev_sample = false; + if (delta < 0 || (!mrr_capable && prev_sample)) + return; -- 2.30.2